/*!	 dock_params.cpp
**	 Template File
**
**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifdef USING_PCH
#	include "pch.h"
#else
#ifdef HAVE_CONFIG_H
#	include <config.h>
#endif

#include <synfig/general.h>

#include "docks/dock_params.h"
#include "app.h"

#include <gtkmm/scrolledwindow.h>
#include <cassert>
#include "instance.h"
#include "canvasview.h"
#include "trees/layerparamtreestore.h"
#include "workarea.h"

#include <gui/localization.h>

#endif

using namespace std;
using namespace etl;
using namespace synfig;
using namespace studio;

Dock_Params::Dock_Params():
    Dock_CanvasSpecific("params", _("Parameters"), Gtk::StockID("synfig-params")),
    action_group(Gtk::ActionGroup::create("action_group_dock_params"))
{
}

Dock_Params::~Dock_Params()
{
}

void
Dock_Params::init_canvas_view_vfunc(etl::loose_handle<CanvasView> canvas_view)
{
    Gtk::TreeView* tree_view(
        static_cast<Gtk::TreeView*>(canvas_view->get_ext_widget(get_name()))
    );

    if (tree_view) {
        tree_view->get_selection()->signal_changed().connect(
            sigc::mem_fun(
                *this,
                &Dock_Params::refresh_selected_param
            )
        );
    }
}

void
Dock_Params::refresh_selected_param()
{
    etl::loose_handle<CanvasView> canvas_view(get_canvas_view());

    if (!canvas_view) {
        return;
    }

    Gtk::TreeView* tree_view(
        static_cast<Gtk::TreeView*>(canvas_view->get_ext_widget(get_name()))
    );
    Gtk::TreeModel::iterator iter(tree_view->get_selection()->get_selected());

    if (iter) {
        LayerParamTreeStore::Model model;
        canvas_view->get_work_area()->set_selected_value_node(
            (synfig::ValueNode::Handle)(*iter)[model.value_node]
        );
    } else {
        canvas_view->get_work_area()->set_selected_value_node(0);
    }
}

void
Dock_Params::changed_canvas_view_vfunc(etl::loose_handle<CanvasView> canvas_view)
{
    if (canvas_view) {
        Gtk::Widget* tree_view(canvas_view->get_ext_widget(get_name()));

        add(*tree_view);
        tree_view->show();
        show_all();
    } else {
        clear_previous();
    }
}